import java.io.*;
public class EchoPlayer{
	
	public void startTalk() throws Exception{
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));

		String inputMsg = null ;

		while((inputMsg = in.readLine()) != null){
			System.out.println("Echo:" + inputMsg + "\n");
			if("bye".equals(inputMsg)){
				break ;
			}
		}
	}

	public static void main(String[] args) throws Exception{
		new EchoPlayer().startTalk();	
	}
}
